221022003021030 has 32 divisors (see below), whose sum is σ = 589392008056800. Its totient is φ = 58939200805536.

The previous prime is 221022003020999. The next prime is 221022003021031. The reversal of 221022003021030 is 30120300220122.

221022003021030 is a `hidden beast` number, since 22 + 102 + 200 + 302 + 10 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 221022003020994 and 221022003021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221022003021031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409300005325 + ... + 409300005864.

It is an arithmetic number, because the mean of its divisors is an integer number (18418500251775).

Almost surely, 2^{221022003021030} is an apocalyptic number.

221022003021030 is an abundant number, since it is smaller than the sum of its proper divisors (368370005035770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221022003021030 is a wasteful number, since it uses less digits than its factorization.

221022003021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818600011205 (or 818600011199 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 221022003021030 its reverse (30120300220122), we get a palindrome (251142303241152).

The spelling of 221022003021030 in words is "two hundred twenty-one trillion, twenty-two billion, three million, twenty-one thousand, thirty".